The sand casting process is used typically for larger parts and for small quantities of parts.
砂模铸造的过程主要用于较大部件和少量部件的生产。
When low alloy steel replaced carbon steel castings, a series of questions were uncovered in traditional sand casting process.
铸钢材质升级为低合金钢后，传统的砂型铸造工艺在生产中暴露出了一系列问题。
MPSVR modeling method can effectively obtain the process models of complex processes with a great number of uncertainties such as green sand casting processes.
从而，证明了SVR建模方法对于型砂铸造复杂过程是有效的知识建模方法。
Practice indicates that this production process can improve the quality and performance of products and working environment, and it can substitute for conventional sand casting process.
生产实践表明，这种生产工艺对提高产品性能和质量、改善生产环境等起到了一定作用，可以取代传统的砂型铸造。
Because the mold is formed around a one-piece pattern (which does not have to be pulled out from the mold as in a traditional sand casting process), very intricate parts and undercuts can be made.
由于这种铸型是环绕整块型模形成的(无需像传统的砂型铸造工艺那样拔模)，能制作十分复杂的零件和浮雕。
The perfect hammer head can be obtained by designing technological equipment, using vertical pouring and string casting process in CO2-sodium silicate sand.
采用CO2硬化水玻璃砂无箱立浇串铸工艺，设计工装，可以获得优质健全的锤头产品。
The resin-coated sand lined permanent mould casting process was adopted to increase density and dimensions accuracy of castings.
为提高铸件致密度和尺寸精度，采用覆砂铁型铸造工艺。
The results showed that the process is reasonable and feasible, and the product defects appearing in sand casting are removed.
结果表明，该工艺合理可行，解决了该产品普通铸造中的铸造缺陷问题。
The numerical model of casting carburizing process of graphite sand on the condition of carbide precipitation casting process is shown.
针对石墨砂型铸渗过程，提出了在碳化物析出条件下石墨砂型铸渗过程的温度场、浓度场、固相分数场统一数学模型；
In a method of making a molded article for use in a casting process, sand particles are mixed with protein and water to effect a coating of protein on the sand particles.
在一种用于浇铸工艺的模制品制造的方法中，砂粒与蛋白质和水混合以在砂粒上产生蛋白质涂层。
Casting quality and rejection rate are remarkably affected by the quality and property of molding sand, in the process of clay sand green mold casting.
在粘土砂湿型铸造中，型砂质量和性能对铸件质量、废品率有明显的影响。
The key basic technology in full mould casting process includes: material and formation of pattern, coating, vibratory fill of moulding sand as well as molten metal filling.
实型铸造法的关键基础技术包括：模样的材料及成形、涂料、型砂的振动充填、金属液的充填。
A sort of chilled nodular iron camshaft was developed by adopting resin-coated sand shell mould casting process.
开发了一种采用树脂砂壳型铸造的激冷球铁凸轮轴。
Compared with large stainless steel valve body in sand casting, it was difficult to control solidification process in investment casting, which results in some defects in the valve body.
特大型不锈钢阀体熔模精密铸造与砂型铸造比较，最大的问题是铸件的凝固控制。
Compared with large stainless steel valve body in sand casting, it was difficult to control solidification process in investment casting, which results in some defects in the valve body.
特大型不锈钢阀体熔模精密铸造与砂型铸造比较，最大的问题是铸件的凝固控制。
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